Human efforts are daily unifying the world more and more in definite systematic ways. We found colonial, postal, consular, commercial systems, all the parts of which obey definite influences that propagate themselves within the system but not to facts outside of it. The result is innumerable little hangings-together of the world's parts within the larger hangings-together, little worlds, not only of discourse but of operation, within the wider universe. Each system exemplifies one type or grade of union, its parts being strung on that peculiar kind of relation, and the same part may figure in many different systems, as a man may hold several offices and belong to various clubs. From this 'systematic' point of view, therefore, the pragmatic value of the world's unity is that all these definite networks actually and practically exist. Some are more enveloping and extensive, some less so; they are superposed upon each other; and between them all they let no individual elementary part of the universe escape. Enormous as is the amount of disconnexion among things (for these systematic influences and conjunctions follow rigidly exclusive paths), everything that exists is influenced in SOME way by something else, if you can only pick the way out rightly Loosely speaking, and in general, it may be said that all things cohere and adhere to each other SOMEHOW, and that the universe exists practically in reticulated or concatenated forms which make of it a continuous or 'integrated' affair. Any kind of influence whatever helps to make the world one, so far as you can follow it from next to next. You may then say that 'the world IS One'--meaning in these respects, namely, and just so far as they obtain. But just as definitely is it NOT one, so far as they do not obtain; and there is no species of connexion which will not fail, if, instead of choosing conductors for it, you choose non-conductors. You are then arrested at your very first step and have to write the world down as a pure MANY from that particular point of view. If our intellect had been as much interested in disjunctive as it is in conjunctive relations, philosophy would have equally successfully celebrated the world's DISUNION. The great point is to notice that the oneness and the manyness are absolutely co-ordinate here. Neither is primordial or more essential or excellent than the other. Just as with space, whose separating of things seems exactly on a par with its uniting of them, but sometimes one function and sometimes the other is what come home to us most, so, in our general dealings with the world of influences, we now need conductors and now need non-conductors, and wisdom lies in knowing which is which at the appropriate moment.